英语释义

1. an analytical method used to determine the chemical elements comprising a material by bombarding it with neutrons to produce radioactive atoms whose emissions are indicative of the elements present — called also neutron activation

片语

resonance neutron activation analysis共振中子活化分析

neutron activation analysis ectrometer中子活化分析能谱仪

instrumental neutron activation analysis仪器中子活化分析

prompt neutron activation analysis[核]

slow neutron activation analysis慢中子活化分析

preconcentration neutron activation analysis浓集中子活化法

fast neutron activation analysis快中子活化分析

continuous neutron activation analysis连续中子活化分析

pulsed neutron activation analysis脉沖中子活化分析

英汉例句

• the instrumental neutron activation analysis (inaa) has been performed on 27pairs of scalp hair samples for mothers and their new-born babies living in haidian district, beijing.

  以人发作「监示器」，用中子活化法分析了27对北京海淀区产妇、婴儿发样中的汞含量，以研究汞在孕妇体内的转移及在新生儿体内的蓄积。

• more than 20 types of metallic elements were discovered in xc gas field, sichuan basin, when it was studied by neutron activation analysis (naa).

  利用中子活化法对四川盆地xc气田的天然气进行分析，发现其中含有20多种金属元素。

• interactions between lanthanum and wheat roots are studied by a sequential extractive process combined with instrumental neutron activation analysis as well as transmission electronic microscopy.

  用中子活化分析结合分级提取及透射电镜观察，研究了稀土元素镧在小麦根中的分布和存在形态。

• the results lay the foundation for the study of on-line neutron activation analysis system.

  计算结果表明，中子活化在线分析系统的最优化慢化材料为聚乙烯。

• the nickel sulfide fire assay preconcentration followed by neutron activation analysis was used to determine the platinum group elements(pge) in rocks.

  研究了镍锍试金预富集中子活化分析测定巖石样品中的铂族元素。

• neutron activation analysis for uranium in soild may delineate structures.

  分析测定土壤中的铀以圈定构造。

• the distribution characteristics of organo-halogens in apple and their sources were studied by neutron activation analysis combined with statistical analysis.

  采用中子活化分析方法，研究了苹果中有机卤素污染物的分布特征。

• nickel oxide is purified and pulverization property of nickel button is studied. the method of determination of platinum group elements (pge) based on neutron activation analysis (naa) is established.

  对氧化镍进行提纯，对试金扣的粉化性能进行了研究，用中子活化分析测定了地质样品中的铂族元素，全流程回收率在94％以上。

• the instrumental neutron activation analysis was used to determine cr content in chromium-rich yeast cells.

  利用中子活化分析法对富铬酵母中的铬进行了测定。

• twenty trace elements were found by neutron activation analysis in the nuclear reactor in 13 specimens of jan wares collected from different localities and different historical periods.

  本文利用反应堆中子活化分析法对不同产地、不同时代生产的钧瓷残片进行了分析，获得了十三块标本中的二十种元素的含量值。

• the paper describes the results of the research of the feasibility of pureinstrument multielement reactor neutron activation analysis with short timeirradiation.

  该文叙述了在原子能科学研究院重水反应堆上进行的堆中子短照纯仪器多元素活化分析的实用性和可行性的研究结果。

• also epithermal neutron activation analysis and cyclic activation analysis had be developed on shenzhen mnsr.

  建立超热活化分析和循环活化分析方法，制备了医用放射性玻璃微球。

• meanwhile the variation and status of distribution of many elements content in the different parts of vitreous shoot were determined by neutron activation analysis technique.

  利用中子活化分析技术测定了玻璃苗不同部位中的多种元素含量和分布状况及变化。

• the design of automatic radiation and measuring system for neutron activation analysis and its realization are introduced in this paper.

  介绍反应堆中子活化自动辐照检测系统的设计和实现过程。

• the application of neutron activation analysis in research of environmental sciences which possesses such characteristics as automatically , quickly and being able to measure more elements.

  简述了中子活化分析在环境科学研究中的应用，具有自动、快速、测量元素多等特点。

• in the paragraph of the method of using artificial tracer, there is the explanation about the tracer technology of neutron activation analysis and the method of lanthanide-dtpa tracer.

  在人工示蹤法中叙述了中子活化示蹤沙技术和稀土元素-dtpa螯合物示蹤法。